- Trill Science Ministry
- Trill Senate
- Trill Senate Tower
- Trill Symbiosis Commission
- Trill amber shot
- Trill bell music
- Trill defense perimeter
- Trill starships
- Trill symbiont
- Trill system
- Trillby
- Trillby XIII
- Trillions of Trilligs
- Trillium
- Trillya
- Trilobite
- Trilum Base 1
- Trimanium
- Trimaran
- Trimarka
- Triminon
- Trimir
- Trimori
- Trin'tara
- Trinae
- Trinary star
- Trinia Eltur
- Trinidad
- Trinity
- Trinity (disambiguation)
- Trinity College
- Trinni/ek
- Trinora
- Triphox
- Triple-A
- Triple Cross
- Triple Crown
- Triple Medal of Valor
- Tripoli
- Tripoli (disambiguation)
- Tripoli IX
- Tripolian hellblazer
- Tripolymer composite
- Tripolymer membrane
- Tripper class
- Triptacederine
- Triptych
- Trish Jacob
- Trisha Cochrain
- Trisha Fox
- Trisha Linders
- Trishella
- Triskelion
- Triskelion Tidal Wave
- Trisp Qoph
- Trisra
- Tristan
- Tristan Adams
- Tristan Adams (mirror)
- Tristan Ballard
- Tristan Hunter
- Tristar Cluster
- Tristas
- Tristian
- Tristor Gral
- Tritanium
- Trititanium
- Tritium
- Tritium (disambiguation)
- Tritium class
- Triton
- Triton (moon)
- Triton (planet)
- Triton II
- Triumvirate
- Triumvirate of Cort
- Triuridium
- Triuval
- Triv
- Trivas
- Triventure Trade Pact
- Trivium
- Trixex
- Trixian bubble juice
- Tro'vara
- Trofar
- Trog
- Troglyte
- Troglytes
- Trohka
- Troi family
- Troilus
- Trojan Horse
- Trojan Horse (disambiguation)
- Trojan Horse Project
- Trojan War
- Trojan horse
- Trok
- Troke
- Trolk
- Troll
- Trombone
- Tromsø
- Tron
- Tron (Klingon)
- Tron Daraan
- Troodon
- Troon homeworld
- Trop
- Tropazine
- Trophy World
- Tropp
- Trothir
- Trotor
- Trottier
- Trouble on Omned III
- Troubleshooting
- Troublesome Minds
- Troublesome mind
- Trousers
- Trout amandine
- Trova
- Trove bar
- Troy
- Troy (disambiguation)
- Troy Mepyans
- Troy Museum
- Troyian
- Troyius
- Troyius Tribunal
- Troykis
- Troyval
- Trteel
- Truai
- Truck
- Truck stop
- True
- True Emissary of the True Prophets
- True Heirs of Andor
- True Q
- True Way
- Truffles
- Truke
- Trulgovian
- Trulli
- Truman
- Trumari
- Trumble
- Trumbull
- Truncy
- Trune
- Trunox
- Truntis
- Trust Yourself When All Men Doubt You
- Trusted Sources
- Truth
- Truth's Bane
- Truth or Treachery
- Truthdealer
- Truxtun
- Truxtun IX
- Truxtun IX native
- Trwoqa
- Tryla Scott
- Trylon
- Trymian Drift
- Tsamah tanoor
- Tsao
- Tschak
- Tse'Dek
- Tseetsk
- Tseetsk-Home
- Tsemu
- Tseng
- Tsih
- Tsoran mine
- Tsugh Khaidnn
- Tsukuda Hobby
- Tsun Tsu
- Tsunami
- Tsunami (disambiguation)
- Tsunkatse (episode)
- Tsze
- Ttan
- Tttnicktttnor
- Tu-Jarok
- Tu-Surak
- Tu Fu
- Tuan
- Tuatara class
- Tuballoy
- Tubba
- Tube grub
- Tuberculosis
- Tubisin
- Tuc'tu'tar
- Tucana constellation
- Tucker
- Tucker (disambiguation)
- Tucker Memorial Building
- Tucker family
- Tueunuk
- Tufeen hushani
- Tufem
- Tug
- Tug 130/27
- Tugol'atan
- Tuilgpaswee
- Tujiro Nakamura
- Tukh
- Tukha'qhu
- Tuktak
- Tula
- Tula (city)
- Tulaberry wine
- Tulan
- Tulaw
- Tulb
- Tulgana
- Tulgana IV
- Tuli
- Tulian
- Tullamore Dew
- Tullian
- Tullis
- Tullius
- Tullus sector
- Tully
- Tully (Lieutenant)
- Tully (archeologist)
- Tulrik
- Tulugaq
- Tulwar (material)
- Tulwar class
- Tumbel
- Tumek
- Tumika Age
- Tumulorum Fossor
- Tumulorum Fossor (23rd century)
- Tuna
- Tuna casserole
- Tundra world
- Tuner
- Tuner IX
- Tungsten
- Tunguska
- Tunhal Din
- Tunic
- Tunidity
- Tunis
- Tunk
- Tunnel Through the Stars
- Tunnel runner
- Tunol
- Tunzos
- Tup
- Tupo
- Tuq'mor
- Tuq Degh
- Tuqob
- Tur'vok
- Turach-tai
- Turag
- Turag (mirror)
- Turages
- Turak
- Turan'Ekan
- Turan Tot Narut's people
- Turan Tot Narut's planet
- Turan Tot Narut's ship
- Turani
- Turat Lokar
- Turath
- Turath Ivos
- Turbolift
- Turboshaft
- Turei
- Turei II
- Turei frigate
- Turei system
- Tureilav
- Turen
- Turi'tara
- Turian stardust
- Turiel
- Turing (disambiguation)
- Turing class
- Turion
- Turion Prime
- Turkana
- Turkana IV
- Turkey
- Turkin
- Turlow
- Turn War College
- Turn of the Tide
- Turn the Page
- Turnabout
- Turnabout Intruder
- Turnaround
- Turnaround, Part I
- Turnaround, Part II
- Turnaround, Part III
- Turnaround, Part IV
- Turnaround, Part V
- Turnaways
- Turncoats
- Turner
- Turning Point
- Turning Point (STO)
- Turnip
- Turo Ane
- Turok
- Turoz
- Turr
- Turraca
- Turrel
- Turren
- Turret
- Turrice Roon
- Turrok
- Turtle
- Turtlehead
- Turul
- Tusari Gyn
- Tuscany
- Tutakai
- Tutakai system
- Tuterian
- Tuthill
- Tutopan
- Tutorial
- Tuttle
- Tutu
- Tuuk
- Tuuliie Bay
- Tuung
- Tuvan Syndrome
- Tuvid
- Tuvix
- Tuvix (episode)
- Tuvok
- Tuvok (mirror)
- Tuvok (mutant)
- Tuwaly